Have you ever stumbled upon a discovery while looking for something completely different? See what surprises astronomers found as part of the Sloan Digital Sky Survey.
This interactive explains how astronomers measure the properties of light from faraway space objects to calculate their distance from Earth. Users click through a series of pages that explain the concepts step-by-step with illustrations and animations.
What is the Universe’s arrangement today? What did it look like at its birth? And how did we get from then to now? These are just some of the “Big Questions” astronomers are making headway answering.
On cloudless, moonless nights, the stars are so bright over the remote village of Sutherland, South Africa, that a person can walk by starlight alone. Learn more about the village’s Southern African Large Telescope (SALT).
Scientists have been studying brown dwarfs, or failed stars, for nearly a century. What have they learned? And what answers are they still seeking about these objects stuck somewhere between stars and planets?
Learn more about these forests, once generally dismissed as swampy wastelands but now valued as remarkably diverse and important ecosystems.
Investigate this remarkably tough plant that can live in water up to 100 times saltier than most other plants can tolerate, not to mention thrive despite twice-daily flooding by ocean tides.
Straddling land and sea and teeming with life, mangrove forests are key to healthy coastal ecosystems. They're also among the most threatened habitats in the world. Learn more.
Thanks to an innovative grassroots organization called Yad Fon, southern Thailand's Trang Province is home to an inspiring example of ecosystem restoration. Learn more.
The takhi is the only true wild horse left in the world. The so-called "wild" horses that abound in Australia and North America are actually feral. Find out what it means when a domestic animal becomes feral.